---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8088 6.8.0-138-generic #138-Ubuntu SMP PREEMPT_DYNAMIC Fri Jul 31 22:41:49 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 2 On-line CPU(s) list: 0,1 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 2 Stepping: 0 BogoMIPS: 5599.99 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 64 KiB (2 instances) L1i cache: 64 KiB (2 instances) L2 cache: 1 MiB (2 instances) L3 cache: 32 MiB (2 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0,1 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Vulnerable: Safe RET, no microcode Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 2 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 795M 1.1M 794M 1% /run /dev/vda1 38G 8.0G 30G 22% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda16 881M 117M 703M 15% /boot /dev/vda15 105M 6.2M 99M 6% /boot/efi tmpfs 795M 16K 795M 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7941 757 5184 4 2293 7184 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host noprefixroute valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:36:07:4c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.131/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80478sec preferred_lft 80478sec inet6 fe80::f816:3eff:fe36:74c/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-8088) 09/14/26 _x86_64_ (2 CPU) 01:04:53 LINUX RESTART (2 CPU) 01:10:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:13 1.42 0.03 1.39 0.00 1.27 16.52 0.21 01:30:03 1.44 0.00 1.43 0.02 0.00 17.21 217.27 01:40:03 15.20 0.33 1.64 13.23 43.64 105.96 109057.97 01:50:23 1.30 0.00 1.30 0.00 0.00 15.28 0.00 02:00:23 1.51 0.00 1.50 0.01 0.00 17.53 426.47 02:10:23 1.31 0.00 1.30 0.00 0.00 15.36 9.95 02:20:01 1.36 0.00 1.35 0.02 0.00 16.12 51.62 02:30:23 1.56 0.00 1.54 0.03 0.00 18.42 459.40 02:40:23 26.45 2.83 21.28 2.34 223.59 3648.45 856.99 Average: 5.72 0.35 3.63 1.73 29.78 429.38 12320.52 01:10:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:13 6293972 7541672 278940 3.43 30604 1423760 530008 5.77 447780 1183992 220 01:30:03 6296824 7545040 275620 3.39 30768 1424088 530280 5.78 449860 1184484 180 01:40:03 6234164 7522356 297248 3.66 31380 1462956 731900 7.97 468064 1213852 176 01:50:23 6236272 7524956 294644 3.62 31548 1463276 731900 7.97 468256 1214340 124 02:00:23 6222464 7511852 307628 3.78 31752 1463736 731900 7.97 468460 1214876 224 02:10:23 6221472 7511364 308068 3.79 31932 1464060 733528 7.99 469644 1215372 212 02:20:01 6221472 7511860 307528 3.78 32132 1464388 732092 7.97 468548 1215864 296 02:30:23 6232484 7523468 295888 3.64 32336 1464720 732092 7.97 468736 1216444 172 02:40:23 5175032 7403932 362252 4.45 87804 2301668 841292 9.16 603132 2063484 360 Average: 6126017 7510722 303091 3.73 37806 1548072 699444 7.62 479164 1302523 218 01:10:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:13 ens3 0.74 0.12 0.22 0.04 0.00 0.00 0.00 0.00 01:30:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:03 ens3 0.59 0.09 0.95 0.07 0.00 0.00 0.00 0.00 01:40:03 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:40:03 ens3 0.84 0.35 3.39 0.07 0.00 0.00 0.00 0.00 01:50:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:23 ens3 0.22 0.04 0.04 0.02 0.00 0.00 0.00 0.00 02:00:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:23 ens3 0.33 0.04 0.06 0.03 0.00 0.00 0.00 0.00 02:10:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:23 ens3 0.17 0.02 0.02 0.01 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.29 0.17 0.05 0.52 0.00 0.00 0.00 0.00 02:30:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:23 ens3 0.20 0.04 0.03 0.02 0.00 0.00 0.00 0.00 02:40:23 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:40:23 ens3 113.44 78.94 330.17 17.09 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 12.96 8.85 37.15 1.98 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-8088) 09/14/26 _x86_64_ (2 CPU) 01:04:53 LINUX RESTART (2 CPU) 01:10:13 CPU %user %nice %system %iowait %steal %idle 01:20:13 all 0.31 0.00 0.09 0.01 0.01 99.59 01:20:13 0 0.16 0.00 0.10 0.02 0.01 99.72 01:20:13 1 0.46 0.00 0.07 0.01 0.01 99.46 01:30:03 all 0.30 0.00 0.17 0.01 0.01 99.52 01:30:03 0 0.20 0.00 0.17 0.00 0.01 99.62 01:30:03 1 0.41 0.00 0.16 0.02 0.00 99.41 01:40:03 all 0.44 0.00 0.15 0.06 0.01 99.35 01:40:03 0 0.74 0.00 0.16 0.08 0.00 99.02 01:40:03 1 0.13 0.00 0.14 0.03 0.01 99.69 01:50:23 all 0.26 0.00 0.09 0.01 0.00 99.64 01:50:23 0 0.05 0.00 0.11 0.02 0.01 99.82 01:50:23 1 0.47 0.00 0.07 0.01 0.00 99.45 02:00:23 all 0.29 0.00 0.17 0.01 0.00 99.53 02:00:23 0 0.08 0.00 0.18 0.02 0.01 99.72 02:00:23 1 0.50 0.00 0.16 0.00 0.00 99.34 02:10:23 all 0.26 0.00 0.10 0.01 0.01 99.62 02:10:23 0 0.06 0.00 0.13 0.02 0.01 99.79 02:10:23 1 0.46 0.00 0.08 0.00 0.01 99.45 02:20:01 all 0.28 0.00 0.09 0.01 0.00 99.61 02:20:01 0 0.23 0.00 0.07 0.01 0.01 99.68 02:20:01 1 0.34 0.00 0.10 0.02 0.00 99.54 02:30:23 all 0.28 0.00 0.16 0.01 0.00 99.54 02:30:23 0 0.06 0.00 0.18 0.01 0.00 99.75 02:30:23 1 0.49 0.00 0.15 0.02 0.00 99.34 02:40:23 all 14.35 0.00 2.39 0.67 0.02 82.58 02:40:23 0 13.89 0.00 2.24 0.40 0.02 83.46 02:40:23 1 14.81 0.00 2.54 0.94 0.02 81.69 Average: all 1.86 0.00 0.38 0.09 0.01 97.67 Average: 0 1.72 0.00 0.37 0.06 0.01 97.84 Average: 1 2.00 0.00 0.38 0.12 0.01 97.49